fix(deps): update rust crate htmd to 0.3

Author: renovate[bot]

Cargo.toml

@@ -50,7 +50,7 @@ async-stream = "0.3.5"
 tokio-stream = "0.1.15"
 secrecy = { version = "0.10.3", features = ["serde"] }
 readability = "0.3.0"
-htmd = { version = "0.1", optional = true }
+htmd = { version = "0.3", optional = true }
 url = "2.5.0"
 fastembed = { version = "4", optional = true }
 flume = { version = "0.11.0", optional = true }